back down phrasal verbphr v LOSE A GAME, COMPETITION, OR WARACCEPTto admit that you are wrong or that you have lost an argument 承认〔错误〕；退让；认输 Both sides have refused to back down. 双方都不肯退让。
back down• Even though it was obvious Emma's demands were unrealistic, she wouldn't back down.• Congress has backed down on its demand for an increase in defense spending.
→ back down at back3(PHRASAL VERB)